Home / 207,277.28-310,881.14-57,532.78

Finding the Fourth Proportional to 207,277.28, 310,881.14 and 57,532.78

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Solution

The fourth proportional to 207,277.28, 310,881.14 and 57,532.78 is: 86,289.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,277.28 : 310,881.14 = 57,532.78 : x
  2. Step 2: Convert to fraction form
    207,277.28/310,881.14 = 57,532.78/x
  3. Step 3: Cross multiply
    207,277.28x = 310,881.14 × 57,532.78
  4. Step 4: Simplify right side
    207,277.28x = 17,885,855,946.11
  5. Step 5: Solve for x
    x = 17,885,855,946.11/207,277.28
  6. Step 6: Final answer
    x = 86,289.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.